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2026-03-30 - 22:32
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Mon Mar 30, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28625216092,64sleep30-21swapper/307:06:183
288242121112,6sleep20-21swapper/207:08:532
288752111102,6sleep10-21swapper/107:09:331
28847210797,7sleep00-21swapper/007:09:110
132022690,0sleep00-21swapper/010:15:010
132022690,0sleep00-21swapper/010:15:000
79432580,0sleep00-21swapper/011:05:190
155742580,1sleep30-21swapper/308:50:143
144122580,1sleep314418-21kthreadcore11:40:183
194212550,0sleep00-21swapper/007:25:160
139742410,0sleep30-21swapper/310:40:233
2908299310,2cyclictest0-21swapper/111:50:141
2908799281,26cyclictest0-21swapper/210:50:022
2908299280,27cyclictest0-21swapper/111:46:351
2908299280,27cyclictest0-21swapper/110:53:291
2908299280,27cyclictest0-21swapper/109:53:201
2908299270,26cyclictest0-21swapper/111:03:371
2908299270,26cyclictest0-21swapper/110:56:381
2908299270,26cyclictest0-21swapper/110:36:081
2908299270,26cyclictest0-21swapper/109:49:071
2908299270,26cyclictest0-21swapper/109:43:411
2908299270,26cyclictest0-21swapper/109:30:001
2908299270,26cyclictest0-21swapper/109:28:191
2908299270,26cyclictest0-21swapper/108:16:151
2908299270,26cyclictest0-21swapper/108:08:211
2908299270,26cyclictest0-21swapper/107:31:091
2908299270,25cyclictest19370-21tune2fs08:25:121
2908799260,25cyclictest0-21swapper/211:00:312
2908299260,25cyclictest0-21swapper/112:33:031
2908299260,25cyclictest0-21swapper/112:11:171
2908299260,25cyclictest0-21swapper/111:39:471
2908299260,25cyclictest0-21swapper/110:04:251
2908299260,25cyclictest0-21swapper/107:20:301
2908299260,21cyclictest0-21swapper/111:44:351
2908799250,24cyclictest0-21swapper/210:23:312
29082992522,2cyclictest0-21swapper/109:22:091
2908299250,24cyclictest0-21swapper/107:47:391
2908299250,19cyclictest0-21swapper/110:15:201
2907499250,24cyclictest0-21swapper/011:15:180
29082992421,2cyclictest0-21swapper/107:36:091
2908799231,21cyclictest0-21swapper/211:13:052
29074992316,6cyclictest749-21snmpd09:40:100
29074992315,7cyclictest0-21swapper/008:43:480
2908799227,14cyclictest0-21swapper/212:25:202
2908799221,20cyclictest0-21swapper/211:53:502
2908799220,21cyclictest0-21swapper/211:38:352
2908799220,21cyclictest0-21swapper/209:16:312
2908799220,16cyclictest0-21swapper/208:17:212
2908299220,21cyclictest0-21swapper/111:32:021
2908299220,21cyclictest0-21swapper/110:45:371
2908299220,21cyclictest0-21swapper/109:58:141
2908299220,21cyclictest0-21swapper/107:56:371
2908299220,21cyclictest0-21swapper/107:51:421
2908299220,21cyclictest0-21swapper/107:41:221
29074992219,2cyclictest749-21snmpd08:06:160
2907499220,17cyclictest0-21swapper/008:19:480
29087992119,2cyclictest0-21swapper/212:23:062
29087992119,2cyclictest0-21swapper/207:13:542
2908799211,19cyclictest0-21swapper/208:27:542
2908799210,20cyclictest0-21swapper/212:30:272
2908799210,20cyclictest0-21swapper/212:10:022
2908799210,20cyclictest0-21swapper/209:43:382
2908799210,20cyclictest0-21swapper/207:50:242
29082992118,2cyclictest0-21swapper/108:10:571
2908299210,3cyclictest0-21swapper/112:18:031
2908299210,3cyclictest0-21swapper/110:30:291
2908299210,3cyclictest0-21swapper/110:08:561
2908299210,20cyclictest0-21swapper/112:07:081
2908299210,20cyclictest0-21swapper/111:20:471
2908299210,20cyclictest0-21swapper/110:25:081
2908299210,20cyclictest0-21swapper/110:11:021
2908299210,20cyclictest0-21swapper/110:11:011
2908299210,20cyclictest0-21swapper/109:15:071
2908299210,20cyclictest0-21swapper/109:02:251
2908299210,20cyclictest0-21swapper/108:54:331
2908299210,20cyclictest0-21swapper/108:36:131
2908299210,20cyclictest0-21swapper/107:26:571
2907499217,9cyclictest0-21swapper/007:35:190
29074992119,1cyclictest0-21swapper/008:25:000
29074992118,2cyclictest749-21snmpd08:46:130
2907499210,20cyclictest0-21swapper/008:25:090
2907499210,20cyclictest0-21swapper/007:45:160
7432200,1sleep1754-21irqrtprio09:05:171
2908799206,8cyclictest32035-21/usr/sbin/munin09:05:172
29087992018,1cyclictest749-21snmpd12:38:452
29087992018,1cyclictest749-21snmpd11:19:352
29087992018,1cyclictest749-21snmpd10:45:322
29087992018,1cyclictest749-21snmpd10:32:232
29087992018,1cyclictest749-21snmpd09:54:472
29087992018,1cyclictest749-21snmpd09:46:252
29087992018,1cyclictest749-21snmpd09:36:512
29087992018,1cyclictest749-21snmpd08:46:182
29087992018,1cyclictest749-21snmpd08:44:572
29087992018,1cyclictest22971-21cat09:25:172
29087992016,3cyclictest0-21swapper/212:09:102
29087992016,3cyclictest0-21swapper/207:18:542
2908799201,4cyclictest280-21systemd-journal07:44:502
2908799201,3cyclictest0-21swapper/212:02:352
2908799201,18cyclictest0-21swapper/207:29:092
2908799200,2cyclictest0-21swapper/210:41:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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